If a 20-sided fair die with sides distinctly numbered 1 through 20 is rolled, the probability that the answer is a perfect square can be expressed as ab where a and b are coprime positive integers. What is the value of a+b?

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If a 20-sided fair die with sides distinctly numbered 1 through 20 is rolled, the probability that the answer is a perfect square can be expressed as ab where a and b are coprime positive integers. What is the value of a+b?

Mathematics

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anonymous

5 years ago

what are the perfect square numbers from 1 to 20 ?
whats is the probability that a number can be a perfect square ?
what is a coprime integers ?
the answer of those question can be easily found , after u find the answers for those questions ur question will be solved!